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- TAC — Twin Astrograph Catalog
- TD1 — Catalogue of stellar UV fluxes (TD1 satellite)
- TIC — Tycho Input Catalog
- TrES — Trans-Atlantic Exoplanet Survey
- TrES-And0 — TrES of planetary candidate in the Andromeda constellation
- TVLM — Tinney's Very Low Mass Catalogue
- TYC — Tycho Catalogue
- TYC2 — Tycho-2 Catalogue
- Trumpler — Robert Julius Trumpler's open cluster list, published in Preliminary results on the distances, dimensions and space distribution of open star clusters
Read more about this topic: List Of Astronomical Catalogues